Galapagos Volcanoes, Ecuador, True Colour Satellite Image. Galapagos Archipelago, Ecuador, true colour satellite image. Galapagos Archipelago is situated 1000 km West of the Ecuadorian coast. The largest and most volcanically active island in the archipelago is Isabela (6 volcanoes). On the left of image, the island of Fernandina (one volcano). Image taken on 16 March 2001 using LANDSAT data. Print size 30 x 30 cm.